Professor Walter Lewin demonstrates that the period of a pendulum is independent of the mass hanging from the pendulum. This demonstration can be viewed on the video of Lecture 10. (Image courtesy of Markos Hankin, Physics Department Lecture Demonstration Group).

The Video Index gives a breakdown of topics and the start time of the corresponding segment in each lecture. To access a particular segment, play the lecture in a RealPlayer window and adjust the slider bar to the designated start time.

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Just so wonderful!